this post was submitted on 31 Jan 2024
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I think they were more attempting to reference antenna phasing rather than direction. Which can help apparently, but I've never seen a difference.
There needs to be way more antennas than six for an effective phase array, and they need to be set at fixed positions, not foldable.
So anyway, most of these antennas are only for better looks. The featureless white plastic box with internal antennas will work just the same, because plastic is transparent to WiFi signal. A spiked black altar of the wireless gods still looks more exciting.
It's beam forming and this says it calibrates each time so moving the antennas doesn't matter.
https://www.oreilly.com/library/view/80211ac-a-survival/9781449357702/ch04.html